Vendor

Zyxel

CVEs tracked · all time: 6
in CISA KEV · all time: 1
articles · since 11 Sep: 5
articles · all time: 8

5 articles since 11 Sep; 1 CISA notice, marked below the bars.

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Zyxel: articles per day
Day (UTC)	Articles
Mon 21 Sep	1
Tue 22 Sep	4

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Products: GS1900-10HP firmware, GS1900-16 firmware, GS1900-24 firmware, GS1900-24E firmware and 6 more

GS1900-10HP firmwareGS1900-16 firmwareGS1900-24 firmwareGS1900-24E firmwareGS1900-24EP firmwareGS1900-24HPv2 firmwareGS1900-48 firmwareGS1900-48HPv2 firmwareGS1900-8 firmwareGS1900-8HP firmware

CVEs

6 CVEs

CVE-2026-7273Zyxel GS1900 Series Switches Stack-Based Buffer Overflow VulnerabilityCVSS8.8HighExploited2.5%EPSS6articles

CVE-2026-1459Zyxel VMG3625-T50B firmware vulnerabilityCVSSUnrated–Not in KEV1.0%EPSS2articles

CVE-2025-13942Zyxel EX3510-B0 firmware vulnerabilityCVSSUnrated–Not in KEV1.2%EPSS2articles

CVE-2025-13943Zyxel EX3301-T0 firmware vulnerabilityCVSSUnrated–Not in KEV1.6%EPSS2articles

CVE-2025-11848Zyxel VMG3625-T50B firmware vulnerabilityCVSSUnrated–Not in KEV2.1%EPSS1article

CVE-2025-11847Zyxel VMG3625-T50B firmware vulnerabilityCVSSUnrated–Not in KEV1.9%EPSS1article

Coverage

8 articles, all timeFull timeline RSS feed

22 SepChinese Hackers Exploit Zyxel Switch Flaw to Steal CredentialsSecurityWeek
22 SepCISA Flags Zyxel Switch Flaw Exploited in Network AttacksSecurity Affairs
22 SepUS Authorities Warn of Zyxel Switch Flaw Exploited in AttacksSecurityOnline
22 SepSuspected Chinese Actor Exposed 18,566 Government Records in CampaignSecurityOnline
21 SepCISA Warns of Active Zyxel Switch Attacks via Command FlawCISA · official notice
18 JunZyxel fixes CVE-2026-7273 buffer overflow in GS1900 switchesSecurityOnline
26 FebZyxel patches critical UPnP RCE flaw in 18 routers and extendersSecurityWeek
25 FebZyxel fixes critical UPnP RCE affecting a dozen router modelsSecurity Affairs · first in our coverage

Zyxel

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